along with Bash; see the file COPYING. If not, write to the Free
Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
+#include "config.h"
+
#include <stdio.h>
+#if defined (HAVE_UNISTD_H)
+# include <unistd.h>
+#endif
+
#if defined (HAVE_STRING_H)
# include <string.h>
#else /* !HAVE_STRING_H */
copy_word (word)
WORD_DESC *word;
{
- WORD_DESC *new_word = (WORD_DESC *)xmalloc (sizeof (WORD_DESC));
+ WORD_DESC *new_word;
+
+ new_word = (WORD_DESC *)xmalloc (sizeof (WORD_DESC));
FASTCOPY ((char *)word, (char *)new_word, sizeof (WORD_DESC));
new_word->word = savestring (word->word);
return (new_word);
}
-/* Copy the chain of words in LIST. Return a pointer to
+/* Copy the chain of words in LIST. Return a pointer to
the new chain. */
WORD_LIST *
copy_word_list (list)
WORD_LIST *list;
{
- WORD_LIST *new_list = NULL;
+ WORD_LIST *new_list, *temp;
- while (list)
+ for (new_list = (WORD_LIST *)NULL; list; list = list->next)
{
- WORD_LIST *temp = (WORD_LIST *)xmalloc (sizeof (WORD_LIST));
+ temp = (WORD_LIST *)xmalloc (sizeof (WORD_LIST));
temp->next = new_list;
new_list = temp;
new_list->word = copy_word (list->word);
- list = list->next;
}
return (REVERSE_LIST (new_list, WORD_LIST *));
}
copy_case_clause (clause)
PATTERN_LIST *clause;
{
- PATTERN_LIST *new_clause = (PATTERN_LIST *)xmalloc (sizeof (PATTERN_LIST));
+ PATTERN_LIST *new_clause;
+
+ new_clause = (PATTERN_LIST *)xmalloc (sizeof (PATTERN_LIST));
new_clause->patterns = copy_word_list (clause->patterns);
new_clause->action = copy_command (clause->action);
return (new_clause);
copy_case_clauses (clauses)
PATTERN_LIST *clauses;
{
- PATTERN_LIST *new_list = (PATTERN_LIST *)NULL;
+ PATTERN_LIST *new_list, *new_clause;
- while (clauses)
+ for (new_list = (PATTERN_LIST *)NULL; clauses; clauses = clauses->next)
{
- PATTERN_LIST *new_clause = copy_case_clause (clauses);
+ new_clause = copy_case_clause (clauses);
new_clause->next = new_list;
new_list = new_clause;
- clauses = clauses->next;
}
return (REVERSE_LIST (new_list, PATTERN_LIST *));
}
copy_redirect (redirect)
REDIRECT *redirect;
{
- REDIRECT *new_redirect = (REDIRECT *)xmalloc (sizeof (REDIRECT));
+ REDIRECT *new_redirect;
+
+ new_redirect = (REDIRECT *)xmalloc (sizeof (REDIRECT));
FASTCOPY ((char *)redirect, (char *)new_redirect, (sizeof (REDIRECT)));
switch (redirect->instruction)
{
case r_reading_until:
case r_deblank_reading_until:
new_redirect->here_doc_eof = savestring (redirect->here_doc_eof);
- /* There is NO BREAK HERE ON PURPOSE!!!! */
+ /*FALLTHROUGH*/
case r_appending_to:
case r_output_direction:
case r_input_direction:
case r_output_force:
case r_duplicating_input_word:
case r_duplicating_output_word:
- new_redirect->redirectee.filename =
- copy_word (redirect->redirectee.filename);
+ new_redirect->redirectee.filename = copy_word (redirect->redirectee.filename);
break;
}
return (new_redirect);
}
-
+
REDIRECT *
copy_redirects (list)
REDIRECT *list;
{
- REDIRECT *new_list = NULL;
+ REDIRECT *new_list, *temp;
- while (list)
+ for (new_list = (REDIRECT *)NULL; list; list = list->next)
{
- REDIRECT *temp = copy_redirect (list);
+ temp = copy_redirect (list);
temp->next = new_list;
new_list = temp;
- list = list->next;
}
return (REVERSE_LIST (new_list, REDIRECT *));
}
-
+
static FOR_COM *
copy_for_command (com)
FOR_COM *com;
{
- FOR_COM *new_for = (FOR_COM *)xmalloc (sizeof (FOR_COM));
+ FOR_COM *new_for;
+
+ new_for = (FOR_COM *)xmalloc (sizeof (FOR_COM));
new_for->flags = com->flags;
new_for->name = copy_word (com->name);
new_for->map_list = copy_word_list (com->map_list);
return (new_for);
}
-#if defined (SELECT_COMMAND)
-static SELECT_COM *
-copy_select_command (com)
- SELECT_COM *com;
-{
- SELECT_COM *new_select = (SELECT_COM *)xmalloc (sizeof (SELECT_COM));
- new_select->flags = com->flags;
- new_select->name = copy_word (com->name);
- new_select->map_list = copy_word_list (com->map_list);
- new_select->action = copy_command (com->action);
- return (new_select);
-}
-#endif /* SELECT_COMMAND */
-
static GROUP_COM *
copy_group_command (com)
GROUP_COM *com;
{
- GROUP_COM *new_group = (GROUP_COM *)xmalloc (sizeof (GROUP_COM));
+ GROUP_COM *new_group;
+ new_group = (GROUP_COM *)xmalloc (sizeof (GROUP_COM));
new_group->command = copy_command (com->command);
return (new_group);
}
copy_case_command (com)
CASE_COM *com;
{
- CASE_COM *new_case = (CASE_COM *)xmalloc (sizeof (CASE_COM));
+ CASE_COM *new_case;
+ new_case = (CASE_COM *)xmalloc (sizeof (CASE_COM));
new_case->flags = com->flags;
new_case->word = copy_word (com->word);
new_case->clauses = copy_case_clauses (com->clauses);
copy_while_command (com)
WHILE_COM *com;
{
- WHILE_COM *new_while = (WHILE_COM *)xmalloc (sizeof (WHILE_COM));
+ WHILE_COM *new_while;
+ new_while = (WHILE_COM *)xmalloc (sizeof (WHILE_COM));
new_while->flags = com->flags;
new_while->test = copy_command (com->test);
new_while->action = copy_command (com->action);
copy_if_command (com)
IF_COM *com;
{
- IF_COM *new_if = (IF_COM *)xmalloc (sizeof (IF_COM));
+ IF_COM *new_if;
+ new_if = (IF_COM *)xmalloc (sizeof (IF_COM));
new_if->flags = com->flags;
new_if->test = copy_command (com->test);
new_if->true_case = copy_command (com->true_case);
copy_function_def (com)
FUNCTION_DEF *com;
{
- FUNCTION_DEF *new_def = (FUNCTION_DEF *)xmalloc (sizeof (FUNCTION_DEF));
+ FUNCTION_DEF *new_def;
+ new_def = (FUNCTION_DEF *)xmalloc (sizeof (FUNCTION_DEF));
new_def->name = copy_word (com->name);
new_def->command = copy_command (com->command);
return (new_def);
copy_command (command)
COMMAND *command;
{
- COMMAND *new_command = (COMMAND *)NULL;
+ COMMAND *new_command;
- if (command)
- {
- new_command = (COMMAND *)xmalloc (sizeof (COMMAND));
- FASTCOPY ((char *)command, (char *)new_command, sizeof (COMMAND));
- new_command->flags = command->flags;
- new_command->line = command->line;
+ if (command == NULL)
+ return (command);
- if (command->redirects)
- new_command->redirects = copy_redirects (command->redirects);
+ new_command = (COMMAND *)xmalloc (sizeof (COMMAND));
+ FASTCOPY ((char *)command, (char *)new_command, sizeof (COMMAND));
+ new_command->flags = command->flags;
+ new_command->line = command->line;
- switch (command->type)
- {
- case cm_for:
- new_command->value.For = copy_for_command (command->value.For);
- break;
+ if (command->redirects)
+ new_command->redirects = copy_redirects (command->redirects);
+
+ switch (command->type)
+ {
+ case cm_for:
+ new_command->value.For = copy_for_command (command->value.For);
+ break;
#if defined (SELECT_COMMAND)
- case cm_select:
- new_command->value.Select = copy_select_command (command->value.Select);
- break;
+ case cm_select:
+ new_command->value.Select =
+ (SELECT_COM *)copy_for_command ((FOR_COM *)command->value.Select);
+ break;
#endif
- case cm_group:
- new_command->value.Group = copy_group_command (command->value.Group);
- break;
+ case cm_group:
+ new_command->value.Group = copy_group_command (command->value.Group);
+ break;
- case cm_case:
- new_command->value.Case = copy_case_command (command->value.Case);
- break;
-
- case cm_until:
- case cm_while:
- new_command->value.While = copy_while_command (command->value.While);
- break;
-
- case cm_if:
- new_command->value.If = copy_if_command (command->value.If);
- break;
-
- case cm_simple:
- new_command->value.Simple = copy_simple_command (command->value.Simple);
- break;
-
- case cm_connection:
- {
- CONNECTION *new_connection;
-
- new_connection = (CONNECTION *)xmalloc (sizeof (CONNECTION));
- new_connection->connector = command->value.Connection->connector;
- new_connection->first =
- copy_command (command->value.Connection->first);
- new_connection->second =
- copy_command (command->value.Connection->second);
- new_command->value.Connection = new_connection;
- break;
- }
-
- /* Pathological case. I'm not even sure that you can have a
- function definition as part of a function definition. */
- case cm_function_def:
- new_command->value.Function_def =
- copy_function_def (command->value.Function_def);
+ case cm_case:
+ new_command->value.Case = copy_case_command (command->value.Case);
+ break;
+
+ case cm_until:
+ case cm_while:
+ new_command->value.While = copy_while_command (command->value.While);
+ break;
+
+ case cm_if:
+ new_command->value.If = copy_if_command (command->value.If);
+ break;
+
+ case cm_simple:
+ new_command->value.Simple = copy_simple_command (command->value.Simple);
+ break;
+
+ case cm_connection:
+ {
+ CONNECTION *new_connection;
+
+ new_connection = (CONNECTION *)xmalloc (sizeof (CONNECTION));
+ new_connection->connector = command->value.Connection->connector;
+ new_connection->first = copy_command (command->value.Connection->first);
+ new_connection->second = copy_command (command->value.Connection->second);
+ new_command->value.Connection = new_connection;
break;
}
+
+ case cm_function_def:
+ new_command->value.Function_def = copy_function_def (command->value.Function_def);
+ break;
}
return (new_command);
}
projects / platform / upstream / bash.git / blobdiff